High (8.8) in microsoft internet explorer. EPSS 18% chance of exploitation in the next 30 days.
The User Mode Code Integrity (UMCI) implementation in Device Guard in Microsoft Internet Explorer 11 allows remote attackers to bypass a code-signing protection mechanism via unspecified vectors, aka "Internet Explorer Security Feature Bypass."
Severity
CVSS 3.0
8.8 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
18% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-11-01)